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Pratt & Whitney, an RTX business, received a contract valued up to $1.3 billion from the F-35 Joint Program Office to continue design maturation and aircraft integration of the F135 Engine Core Upgrade, which will enhance durability and provide power/cooling for Block 4 capabilities.
The F-35 Joint Program Office awarded Lockheed Martin a $22.7 billion undefinitized contract action to fund more than 250 F-35 aircraft across LRIP Lots 12, 13, and 14. The contract obligates $6 billion for 255 aircraft, with deliveries starting in 2020.